cmmartin’s gists

cmmartin / BufferStream.js

Last active November 17, 2015 05:54

Convert a stream to a Buffer in Node.js

	import { Writable } from 'stream'

	/**
	* Create a Buffer from a stream (warning: loads all chunks into memory)
	* Usage: myStream.pipe(new BufferStream(buffer => {}, err => {}))
	*/
	export default class BufferStream extends Writable {

	data = []

cmmartin / MusicalNotes.swift

Created December 11, 2015 04:23

Musical notes mapped to their frequencies in Hz

cmmartin / VibrantNavigationBar.swift

Created January 22, 2016 03:34

Apple a UIVibrancyEffect to an iOS navigation bar

	override func viewWillAppear(animated: Bool) {

	// Make the bar actually transparent by setting an empty image as the background
	self.navigationController?.navigationBar.setBackgroundImage(UIImage(), forBarMetrics: .Default)
	self.navigationController?.navigationBar.shadowImage = UIImage()
	self.navigationController?.navigationBar.translucent = true
	var bounds = (self.navigationController?.navigationBar.bounds)!
	// make it cover the status bar by offseting y by -20
	bounds.offsetInPlace(dx: 0.0, dy: -20.0)
	bounds.size.height = bounds.height + 20.0

cmmartin / BlurredBackgroundView.swift

Created January 22, 2016 03:37

UIVisualEffectView with a background image

	import UIKit

	class BlurredBackgroundView: UIView {
	let imageView: UIImageView
	let blurView: UIVisualEffectView

	override init(frame: CGRect) {
	let blurEffect = UIBlurEffect(style: UIBlurEffectStyle.Dark)
	blurView = UIVisualEffectView(effect: blurEffect)
	imageView = UIImageView(image: UIImage(name: "someBackgroundImage.jpg"))

cmmartin / unfuck-cors.sh

Last active April 18, 2016 21:19

Open Chrome on OSX with web security disabled to avoid CORS shenanigans in development

open -a Google\ Chrome --args --disable-web-security --user-data-dir

cmmartin / auth.conf

Last active February 10, 2016 16:04

Nginx http auth with htpasswd

	auth_basic "Restricted";
	auth_basic_user_file /home/dokku/$APP/nginx.conf.d/.htpasswd;

cmmartin / Example-BouncingText.js

Last active October 17, 2021 11:13

React Native HOC for easily adding spring animations to your components

	/*
	* EXAMPLE USAGE
	* This component is text that will bounce on mount and
	* every time `this.props.someProperty` changes.
	* Too bad react native doesn't support decorators yet :/
	*/

	import React, {
	Component,
	StyleSheet,

cmmartin / write-file-promise.js

Created May 25, 2017 19:44

Write a file in Node.js, creating its path if necessary. Returns a promise.

	const fs = require('fs')
	const path = require('path')
	const mkpath = require('mkpath')

	module.exports = function writeFilePromise(fileName, contents) {
	return new Promise((resolve, reject) => {
	mkpath(path.dirname(fileName), err => {
	if (err) reject(err)
	else {
	fs.writeFile(fileName, contents, err => {

cmmartin / read-file-promise.js

Last active May 25, 2017 20:02

Read a file in Node.js. Returns a promise.

	const fs = require('fs')

	module.exports = function readFilePromise(path, encoding) {
	return new Promise((resolve, reject) => {
	try {
	var filename = require.resolve(path)
	fs.readFile(filename, encoding \|\| 'utf8', (err, file) => {
	if (err) reject(err)
	else resolve(file)
	})

cmmartin / react16-portal.js

Last active December 12, 2017 22:33

An example of how simple it is to create a portal in React v16+

	// @flow
	/* eslint-env browser */
	import * as React from 'react'
	import { createPortal } from 'react-dom'

	type Props = {
	children: React.Node,
	}

	export default class Portal extends React.Component<Props> {

Charlie Martin cmmartin